JP3963222B2 - Assembled structure of bracing frames used for steel frame structures - Google Patents

Assembled structure of bracing frames used for steel frame structures Download PDF

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JP3963222B2
JP3963222B2 JP2002320181A JP2002320181A JP3963222B2 JP 3963222 B2 JP3963222 B2 JP 3963222B2 JP 2002320181 A JP2002320181 A JP 2002320181A JP 2002320181 A JP2002320181 A JP 2002320181A JP 3963222 B2 JP3963222 B2 JP 3963222B2
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vertical column
members
bracing
brace
bracing frame
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JP2004156214A (en
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正利 高田
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株式会社コーヨークリエイト
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Description

【０００１】
【発明の属する技術分野】
この発明は、鉄骨軸組構造物に用いる筋交いフレームの組立構造に関する。
【０００２】
【従来の技術】
鉄骨を用いた建物の軸組構造は、基礎上に土台を設置し、この土台のコーナ部分に隅柱を立設して隅柱間の上部に梁材をかけ渡し、上下に対向する土台と梁材の間に筋交いフレームを配置すると共に、必要に応じて中間柱を立設して構築され、この軸組構造の上に屋根組が設けられる。
【０００３】
従来、上記のような軸組構造において使用される筋交いフレームは、本出願人が提案した特開２０００−２９１１３９号や特開２００１−２２０８１８号に示されているように、平行する鋼管製の縦柱材と、両側の縦柱材を互いに結合する鋼管製の筋交い材とからなり、筋交い材は両縦柱材の対角位置を結合するように傾斜状に配置され、筋交い材の端部を溶接によって縦柱材に固定することにより組み立てられ、縦柱材を上下に位置する土台と梁材の間に建て込むことにより、軸組構造の剛性を保っている。
【０００４】
【発明が解決しようとする課題】
ところで、上記のような、両側の縦柱材と筋交い材を溶接して組み立てた筋交いフレームは、両側縦柱材の平行精度が要求されるため、工場で生産することになり、例えば直角のコーナ筋交いフレームを組み立てた場合、溶接構造ではどうしても嵩張るために現場への搬入が困難になる。
【０００５】
また、筋交いフレームの製作は、溶接構造では嵩張るため二本の縦柱材と筋交い材を溶接した単独筋交いフレームに限定されるが、単独筋交いフレームは構造上強度的に劣るため、建物の構築できる階数に制限を与えることになる。
【０００６】
そこで、この発明の課題は、縦柱材と筋交い材の結合にボルト結合を採用し、現場での組み立てにより、直角のコーナ筋交いフレームや並列筋交いフレームの形成が可能になり、現場への搬入が容易になると同時に、多数階の建物の構築が可能になる鉄骨軸組構造物に用いる筋交いフレームの組立構造を提供することにある。
【０００７】
【課題を解決するための手段】
上記のような課題を解決するため、この発明は、鉄骨軸組構造物に用いる筋交いフレームが、両側に平行配置する鋼管製の縦柱材と、両側の縦柱材間に上下で逆傾斜に配置され、両側の縦柱材を互いに結合する鋼管製の筋交い材と、一方縦柱材の上下中間位置に筋交い材を結合するホルダー金具からなり、一方縦柱材の上下中間で筋交い材を結合する位置にボルト挿通孔を設け、この縦柱材の内部でボルト挿通孔を設けた位置に裏当部材を組み込み、上記裏当部材にボルト挿通孔と一致するねじ孔を設け、上記ホルダー金具が、金属板を用い、筋交い材に外嵌する断面コ字状となり、一方縦柱材の外面に対して重ねる取り付け部の上下両端に筋交い材の嵌合部を筋交い材の傾斜に合わせた角度で連成し、取り付け部に両側縦柱材の天端のレベル調整用の上下方向に長い長孔となるボルト孔を設けて形成され、上記ホルダー金具の嵌合部に上下筋交い材の一方端部を嵌め込んで溶接固定し、このホルダー金具をボルト孔からねじ孔にねじ込んだボルトで一方縦柱材に固定し、上記筋交い材の他方端部を他方縦柱材に溶接固定した構成を採用したものである。
【０００９】
ここで、縦柱材間の上下に逆傾斜で配置された上位筋交い材の下端と、下位筋交い材の上端が、一方縦柱材の上下中間部にホルダー金具を用いてボルトで結合され、上位筋交い材の上端と下位筋交い材の下端は、他方縦柱材に溶接で固定されている。
【００１０】
また、三本の縦柱材を平面的に並べた状態で用い、両側縦柱材に対して上下に逆傾斜の配置でそれぞれ溶接した筋交い材を、中央縦柱材の両面にホルダー金具を用いてボルトで結合することにより、並列筋交いフレームを形成することができる。
【００１１】
更に、両側縦柱材に対して上下に逆傾斜の配置でそれぞれ溶接した筋交い材を、中央縦柱材の隣接する二面側に直角に配置し、この筋交い材を、中央縦柱材の隣接する二面にホルダー金具を用いてボルトで結合することにより、直角のコーナ筋交いフレームを形成することができる。
【００１２】
【発明の実施の形態】
以下、この発明の実施の形態を図示例と共に説明する。
【００１３】
図２は、筋交いフレーム１の第１の実施の形態として、二本の縦柱材２、２を筋交い材３ａ、３ｂで結合した単独筋交いフレーム１ａの例を示し、角型鋼管を用いた二本の縦柱材２、２間に、同じく角型鋼管を用いた二本の筋交い材３ａ、３ｂを上下に逆傾斜で配置し、上位筋交い材３ａの下端と、下位筋交い材３ｂの上端が、一方縦柱材２の上下中間部の位置にホルダー金具４を用いてボルトで結合され、上位筋交い材３ａの上端と下位筋交い材３ｂの下端は、他方縦柱材２に当て金５を介して溶接により固定されている。
【００１４】
図３乃至図６は、ホルダー金具４と、これを用いた一方縦柱材２への筋交い材３ａ、３ｂの結合構造を示し、ホルダー金具４は金属板を用い、筋交い材３ａ、３ｂに外嵌する断面コ字状となり、取り付け部４ａの上下両端に筋交い材３ａ、３ｂの嵌合部４ｂを筋交い材３ａ、３ｂの傾斜に合わせた角度で連成して形成され、筋交い材３ａ、３ｂの端部が嵌合部４ｂ、４ｂに嵌め合わせた状態で溶接により固定され、上下筋交い材３ａ、３ｂの端部は、上下に間隔を保つようにホルダー金具４に固定されている。
【００１５】
上記縦柱材２のホルダー金具４を固定する位置にボルト挿通孔６を設け、この縦柱材２の内部でボルト挿通孔６を設けた位置に厚みのある角板状の裏当部材７を組み込み、この裏当部材７にボルト挿通孔６と一致するねじ孔８を設け、上記ホルダー金具４の取り付け部４ａに設けたボルト孔９からねじ孔８にねじ込んだボルト１０で上記ホルダー金具４を縦柱材２に固定することで、縦柱材２に上下の筋交い材３ａ、３ｂを結合している。
【００１６】
上記ホルダー金具４の取り付け部に設けたボルト孔９は、上下に長い長孔とし、締結時に両側縦柱材２の天端のレベル調整が行えるようになっている。
【００１７】
また、ホルダー金具４を介してボルト１０の締結で縦柱材２に上下の筋交い材３ａ、３ｂを結合した構造は、上下筋交い材３ａ、３ｂの端部間からホルダー金具４の中央開口部にバール等の工具を差し込み、ボルト１０の頭部を支点にして工具で筋交い材３ａ又は３ｂの端部を押し上げ又は押し下げるようにすれば、ホルダー金具４の嵌合部４ｂとこれに溶接した筋交い材３ａ又は３ｂの傾斜角度を調整することができ、これによって、両側縦柱材２の配置を平行にするための立ち出しが可能になる。
【００１８】
図１は、並列筋交いフレーム１ｂの例を示し、並列する三本の縦柱材２を平面的に並べた状態で用い、両側縦柱材２に対して上下に逆傾斜の配置でそれぞれ溶接した筋交い材３ａ、３ｂを、中央縦柱材２の両面にホルダー金具４を用いてボルト１０で結合することにより形成したものであり、ボルト１０による結合の採用は現場での組み立てが可能になり、並列筋交いフレーム１ｂを単独筋交いフレーム１ａの状態で搬入し、現場で並列筋交いフレーム１ｂに組み立てることができる。
【００１９】
図７は、直角のコーナ筋交いフレーム１ｃの例を示し、両側縦柱材２に対して上下に逆傾斜の配置でそれぞれ溶接した筋交い材３ａ、３ｂを、中央縦柱材２の隣接する二面側に直角に配置し、この筋交い材３ａ、３ｂを、中央縦柱材２の隣接する二面にホルダー金具４を用いてボルト１０で結合することにより組み立てたものであり、このコーナ筋交いフレーム１ｃの場合も、単独筋交いフレーム１ａの状態で現場に搬入して組み立てることができる。
【００２０】
このようなコーナ筋交いフレーム１ｃの構造を利用し、中央縦柱材２の各面に対してホルダー金具４で筋交い材３ａ、３ｂを結合すれば、三方や四方の筋交いフレームも形成することができる。
【００２１】
この発明の筋交いフレームは、上記のような構成であり、図１のように、基礎上に土台１１を設置し、この土台１１のコーナ部分に隅柱１２を立設して隅柱１２間の上部に梁材１３をかけ渡し、上下に対向する土台１１と梁材１３の間に筋交いフレーム１を配置して鉄骨を用いた建物の軸組構造を構築する。
【００２２】
上記筋交いフレーム１は、複数本の縦柱材２を筋交い材３ａ、３ｂで結合した構造になっているので、この筋交いフレーム１を建て込むことによって、強度的に優れた軸組構造を構築することができる。
【００２３】
図１の場合、筋交いフレーム１は並列筋交いフレーム１ｂを用いたが、上記した単独筋交いフレーム１ａやコーナ筋交いフレーム１ｃを使用したり、必要に応じて中間柱を立設することもでき、このようにして構築された軸組構造の上に図示省略したが屋根組が設けられる。
【００２４】
また、図示の場合、軸組構造は一階建ての例を示したが、上方にこの軸組構造を順次継ぎ足していくことにより、二階建てや三階建ての軸組構造を構築することができ、並列筋交いフレーム１ｂを用いた場合、中央縦柱材２の両側に対称状の配置で筋交い材３ａ、３ｂが位置するので、単独筋交いフレーム１ａよりも数倍の強度が得られ、四階建てや五階建ての軸組構造も構築することができる。
【００２５】
上記した筋交いフレーム１は、縦柱材２と筋交い材３ａ、３ｂをボルト１０で結合して組み立てるので、現場への搬入後に組み立てることができ、嵩低くした状態で並列筋交いフレーム１ｂやコーナ筋交いフレーム１ｃを現場に搬入できることになる。
【００２６】
また、筋交いフレーム１は、ホルダー金具４の取り付け部に設けたボルト孔９が上下の長孔になっているので、縦柱材２へのホルダー金具４の締結時に両側縦柱材２の天端のレベル調整が簡単に行えると共に、工具を用いて上下筋交い材３ａ又は３ｂの端部を押し上げ又は押し下げるようにすれば、ホルダー金具４の嵌合部４ｂとこれに溶接した筋交い材３ａ又は３ｂの傾斜角度を調整することができ、これによって、両側縦柱材２の配置を平行にするための立ち出しが行えることになる。
【００２７】
【発明の効果】
以上のように、この発明によると、平行する縦柱材を互いに結合する筋交い材の端部をホルダー金具に嵌合固定し、このホルダー金具を縦柱材にボルトで固定するようにしたので、ボルト結合の採用は現場での組み立てが可能になり、並列筋交いフレームや直角のコーナ筋交いフレームを単独筋交いフレームの状態で搬入して現場で組み立てることができ、搬入コストの削減が図れることになる。
【００２８】
また、ホルダー金具の締結位置を上下調整することで、両側縦柱材の天端のレベル調整が行えると共に、ホルダー金具の嵌合部とこれに溶接した筋交い材の傾斜角度を調整することができ、これによって、両側縦柱材の配置を平行にするための立ち出しが可能になる。
【図面の簡単な説明】
【図１】並列筋交いフレームを用いて構築した軸組構造の正面図
【図２】単独筋交いフレームの拡大正面図
【図３】縦柱材と筋交い材の結合構造を示す縦断正面図
【図４】同上の側面図
【図５】同上の横断平面図
【図６】ホルダー金具の斜視図
【図７】直角のコーナ筋交いフレームを示す平面図
【符号の説明】
１ 筋交いフレーム
１ａ 単独筋交いフレーム
１ｂ 並列筋交いフレーム
１ｃ 直角のコーナ筋交いフレーム
２ 縦柱材
３ａ 筋交い材
３ｂ 筋交い材
４ ホルダー金具
５ 当て金
６ ボルト挿通孔
７ 裏当部材
８ ねじ孔
９ ボルト孔
１０ ボルト
１１ 土台
１２ 隅柱
１３ 梁材[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an assembly structure of a bracing frame used for a steel frame structure.
[0002]
[Prior art]
The frame structure of a building using steel frames has a foundation on the foundation, a corner pillar is erected at the corner of this foundation, a beam is passed over the top of the corner pillar, A bracing frame is arranged between the beam members, and an intermediate column is erected as necessary, and a roof set is provided on the frame structure.
[0003]
Conventionally, the bracing frame used in the above-described frame structure is a vertical pipe made of parallel steel pipes as shown in Japanese Patent Laid-Open Nos. 2000-291139 and 2001-220818 proposed by the present applicant. It consists of column members and bracing members made of steel pipe that join the vertical column members on both sides, and the brace members are arranged in an inclined shape so as to connect the diagonal positions of both column columns, and the ends of the brace members are It is assembled by fixing it to the vertical column material by welding, and the rigidity of the frame structure is maintained by installing the vertical column material between the base and beam material positioned above and below.
[0004]
[Problems to be solved by the invention]
By the way, the bracing frame assembled by welding the vertical column members on both sides and the bracing material as described above is required to be produced at the factory because the parallel accuracy of the vertical column members on both sides is required. When the bracing frame is assembled, the welded structure is inevitably bulky, making it difficult to bring it into the field.
[0005]
In addition, since the bracing frame is bulky in the welded structure, it is limited to a single bracing frame in which two vertical column members and a bracing material are welded. However, a single bracing frame is structurally inferior in strength, so a building can be constructed. This will limit the number of floors.
[0006]
Therefore, an object of the present invention is to employ a bolt connection for the connection between the vertical column member and the brace material, and it becomes possible to form a right-angle corner bracing frame or a parallel bracing frame by assembling at the site, and to carry it into the site. An object of the present invention is to provide an assembly structure of a brace frame used for a steel frame structure that can be easily constructed and can be constructed of a multi-storey building.
[0007]
[Means for Solving the Problems]
In order to solve the problems as described above, the present invention provides a bracing frame used in a steel frame structure in a vertically inclined manner between a vertical column member made of steel pipe arranged in parallel on both sides and a vertical column member on both sides. It consists of a steel pipe brace that is arranged and joins the vertical column members on both sides, and a holder bracket that joins the brace material to the middle position of one vertical column material , while the brace material is joined in the middle of the vertical column material the bolt insertion holes at positions provided, incorporating a backing member in a position in which a bolt insertion hole inside of the vertical pillar, provided the screw holes that match the bolt holes in the backing member, the holder fitting Using a metal plate, it becomes a U-shaped cross section that fits externally to the brace material, while the fitting part of the brace material is fitted to the upper and lower ends of the attachment part that overlaps the outer surface of the vertical column material at an angle that matches the inclination of the brace material Coupled, the level of the top edge of the vertical column on both sides It is formed with a bolt hole that is a long slot in the vertical direction for adjustment. One end of the upper and lower brace material is fitted and fixed to the fitting part of the holder metal, and the holder metal is screwed from the bolt hole. A configuration is adopted in which the bolt is screwed into a hole and fixed to one vertical column member, and the other end of the bracing material is welded and fixed to the other vertical column member .
[0009]
Here, the lower end of the upper brace member and the upper end of the lower brace member, which are arranged in a reverse inclination between the vertical column members, are joined with bolts using holder metal fittings at the upper and lower intermediate parts of the vertical column member, The upper end of the brace and the lower end of the lower brace are fixed to the other vertical column by welding.
[0010]
In addition, three vertical column members are used in a state of being arranged in a plane, bracing members welded in a reversely inclined arrangement with respect to the vertical column members on both sides, and holder metal fittings on both sides of the central vertical column member. By connecting with bolts, a parallel bracing frame can be formed.
[0011]
In addition, bracing members welded in a reversely inclined arrangement with respect to the vertical column members on both sides are arranged at right angles on the two adjacent sides of the central vertical column material, and this bracing material is adjacent to the central vertical column material. By connecting the two surfaces with bolts using holder metal fittings, a right-angled corner reinforcement frame can be formed.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0013]
FIG. 2 shows an example of a single bracing frame 1a in which two vertical column members 2 and 2 are joined by bracing members 3a and 3b as a first embodiment of the bracing frame 1, and uses a square steel pipe. Two bracing members 3a and 3b, which are also square steel pipes, are arranged upside down between the vertical column members 2 and 2 in a reverse inclination, and the lower end of the upper bracing material 3a and the upper end of the lower bracing material 3b are The upper column member 2 is joined to the upper and lower intermediate portions by bolts using the holder metal 4, and the upper end of the upper brace material 3 a and the lower end of the lower brace member 3 b are connected to the other vertical column member 2 via a metal pad 5. It is fixed by welding.
[0014]
FIGS. 3 to 6 show the holder metal fitting 4 and the connecting structure of the brace members 3a and 3b to the one vertical column member 2 using the holder metal piece 4. The holder metal fitting 4 uses a metal plate and is attached to the brace members 3a and 3b. The fitting section 4a is formed by coupling the fitting portions 4b of the brace members 3a, 3b at an angle corresponding to the inclination of the brace members 3a, 3b at both upper and lower ends of the attachment portion 4a. The end portions of the upper and lower bracing members 3a and 3b are fixed to the holder metal fitting 4 so as to maintain a vertical spacing.
[0015]
A bolt insertion hole 6 is provided at a position where the holder metal fitting 4 of the vertical column member 2 is fixed, and a thick square plate-like backing member 7 is provided at a position where the bolt insertion hole 6 is provided inside the vertical column member 2. Assembling, the backing member 7 is provided with a screw hole 8 coinciding with the bolt insertion hole 6, and the holder metal fitting 4 is attached with the bolt 10 screwed into the screw hole 8 from the bolt hole 9 provided in the mounting portion 4 a of the holder metal fitting 4. The upper and lower bracing members 3 a and 3 b are coupled to the vertical column member 2 by being fixed to the vertical column member 2.
[0016]
The bolt hole 9 provided in the attachment portion of the holder metal fitting 4 is a long hole that is long in the vertical direction, so that the level of the top end of the vertical columnar material 2 can be adjusted at the time of fastening.
[0017]
Further, the structure in which the upper and lower brace members 3a and 3b are coupled to the vertical column member 2 by fastening the bolt 10 through the holder fitting 4 is formed between the ends of the upper and lower bracing members 3a and 3b from the center opening of the holder fitting 4. If a tool such as a bar is inserted and the end of the bracing material 3a or 3b is pushed up or down with the tool using the head of the bolt 10 as a fulcrum, the fitting portion 4b of the holder fitting 4 and the bracing material welded thereto The inclination angle of 3a or 3b can be adjusted, and this makes it possible to stand up to make the arrangement of the vertical column members 2 parallel.
[0018]
FIG. 1 shows an example of a parallel bracing frame 1b, in which three parallel vertical column members 2 are used in a state of being arranged in a plane, and are welded to the vertical column members 2 on both sides in a reversely inclined arrangement. The brace members 3a and 3b are formed by joining the both sides of the central vertical column member 2 with the bolts 10 using the holder metal fittings 4, and the use of the joints with the bolts 10 enables on-site assembly, The parallel bracing frame 1b can be carried in the state of a single bracing frame 1a and assembled to the parallel bracing frame 1b on site.
[0019]
FIG. 7 shows an example of a right-angled corner bracing frame 1c. The bracing members 3a and 3b, which are welded in a reversely inclined arrangement with respect to the vertical column members 2 on both sides, are connected to two adjacent surfaces of the central vertical column member 2. The bracing members 3a and 3b are assembled by joining the two adjacent surfaces of the central vertical column member 2 with the bolts 10 using the bolts 10, and this corner bracing frame 1c. In this case, it is possible to carry in and assemble in the field in the state of the single bracing frame 1a.
[0020]
If such a structure of the corner bracing frame 1c is used and the brace members 3a and 3b are joined to each surface of the central vertical column member 2 by the holder metal fitting 4, a three-way or four-way bracing frame can also be formed. .
[0021]
The bracing frame of the present invention is configured as described above. As shown in FIG. 1, the base 11 is installed on the foundation, and the corner pillars 12 are erected on the corner portions of the foundation 11 to form the space between the corner pillars 12. A beam material 13 is passed over the upper part, and the bracing frame 1 is disposed between the base material 11 and the beam material 13 which are vertically opposed to each other to construct a frame structure of a building using a steel frame.
[0022]
The bracing frame 1 has a structure in which a plurality of vertical column members 2 are joined by bracing members 3a and 3b. Therefore, by constructing the bracing frame 1, a frame structure excellent in strength is constructed. be able to.
[0023]
In the case of FIG. 1, the bracing frame 1 uses the parallel bracing frame 1b. However, the above-described single bracing frame 1a or the corner bracing frame 1c can be used, or an intermediate pillar can be erected as necessary. Although not shown in the drawings, a roof assembly is provided on the shaft assembly constructed as described above.
[0024]
In the example shown in the figure, the frame structure is an example of a one-story structure. However, a two-story or three-story structure can be constructed by sequentially adding this frame structure upward. When the parallel bracing frame 1b is used, the bracing members 3a and 3b are positioned symmetrically on both sides of the central vertical column member 2, so that the strength is several times higher than that of the single bracing frame 1a. And a five-story frame structure can be constructed.
[0025]
The bracing frame 1 described above is assembled by joining the vertical column member 2 and the bracing members 3a and 3b with the bolts 10, so that it can be assembled after being brought into the field, and the parallel bracing frame 1b and the corner bracing frame in a low-volume state. 1c can be carried into the site.
[0026]
Further, since the bracing frame 1 has bolt holes 9 provided in the attachment portion of the holder metal fitting 4 in the upper and lower elongated holes, when the holder metal fitting 4 is fastened to the vertical column material 2, If the end of the upper and lower bracing members 3a or 3b is pushed up or pushed down by using a tool, the fitting portion 4b of the holder metal fitting 4 and the bracing material 3a or 3b welded thereto can be adjusted. The inclination angle can be adjusted, and by this, it is possible to carry out the projecting to make the arrangement of the two vertical column members 2 parallel.
[0027]
【The invention's effect】
As described above, according to the present invention, the ends of the braces that join the parallel vertical column members to each other are fitted and fixed to the holder bracket, and the holder bracket is fixed to the vertical column member with a bolt. Adoption of the bolt connection enables assembly in the field, and it is possible to carry in a parallel bracing frame or a right-angled corner bracing frame in the state of a single bracing frame and assemble in the field, thereby reducing the cost of carrying in.
[0028]
In addition, by adjusting the fastening position of the holder bracket up and down, it is possible to adjust the top level of the vertical column members on both sides, and to adjust the inclination angle of the fitting part of the holder bracket and the brace welded to it. This makes it possible to stand up to make the arrangement of the vertical column members on both sides parallel.
[Brief description of the drawings]
FIG. 1 is a front view of a frame structure constructed using a parallel bracing frame. FIG. 2 is an enlarged front view of a single bracing frame. FIG. 3 is a longitudinal front view showing a connecting structure of vertical column members and bracing members. ] Side view of the above [FIG. 5] Cross-sectional plan view of the above [FIG. 6] Perspective view of the holder metal [FIG. 7] Plan view of the corner bracing frame at right angles [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Bracing frame 1a Single bracing frame 1b Parallel bracing frame 1c Right angle corner bracing frame 2 Vertical column material 3a Bracing material 3b Bracing material 4 Holder metal fitting 5 Latch 6 Bolt insertion hole 7 Backing member 8 Screw hole 9 Bolt hole 10 Bolt 11 Base 12 Corner pillar 13 Beam material

Claims (1)

鉄骨軸組構造物に用いる筋交いフレーム（１）が、両側に平行配置する鋼管製の縦柱材（２）、（２）と、両側の縦柱材（２）、（２）間に上下で逆傾斜に配置され、両側の縦柱材（２）（２）を互いに結合する鋼管製の筋交い材（３ａ）、（３ｂ）と、一方縦柱材（２）の上下中間位置に筋交い材（３ａ）、（３ｂ）を結合するホルダー金具（４）からなり、
一方縦柱材（２）の上下中間で筋交い材（３ａ）、（３ｂ）を結合する位置にボルト挿通孔（６）を設け、この縦柱材（２）の内部でボルト挿通孔（６）を設けた位置に裏当部材（７）を組み込み、上記裏当部材（７）にボルト挿通孔（６）と一致するねじ孔（８）を設け、
上記ホルダー金具（４）が、金属板を用い、筋交い材（３ａ）、（３ｂ）に外嵌する断面コ字状となり、一方縦柱材（２）の外面に対して重ねる取り付け部（４ａ）の上下両端に筋交い材（３ａ）、（３ｂ）の嵌合部（４ｂ）、（４ｂ）を筋交い材（３ａ）、（３ｂ）の傾斜に合わせた角度で連成し、取り付け部（４ａ）に両側縦柱材（２）、（２）の天端のレベル調整用の上下方向に長い長孔となるボルト孔（９）を設けて形成され、
上記ホルダー金具（４）の嵌合部（４ｂ）、（４ｂ）に上下筋交い材（３ａ）、（３ｂ）の一方端部を嵌め込んで溶接固定し、このホルダー金具（４）をボルト孔（９）からねじ孔（８）にねじ込んだボルト（１０）で一方縦柱材（２）に固定し、
上記筋交い材（３ａ）、（３ｂ）の他方端部を他方縦柱材（２）に溶接固定した鉄骨軸組構造物に用いる筋交いフレームの組立構造。Brace frame used for steel shaft assembly structure (1) is Tatehashirazai made of a steel pipe which is parallel arranged to the two sides (2), and (2), both sides of the vertical pillar (2), the upper and lower between (2) The bracing members (3a) and (3b) made of steel pipes that are arranged in reverse inclination and connect the vertical column members (2) and (2) on both sides to each other , and the bracing members (1) 3a), comprising a bracket (4) for joining (3b) ,
On the other hand , a bolt insertion hole (6) is provided at a position where the bracing members ( 3a) and (3b) are joined in the middle of the vertical column member (2) , and the bolt insertion hole (6) is provided inside the vertical column member (2 ). The backing member (7) is assembled at the position where the screw is provided, and the backing member (7) is provided with a screw hole (8) coinciding with the bolt insertion hole (6) ,
A mounting part (4a) in which the holder metal fitting (4) uses a metal plate and has a U-shaped cross section that is externally fitted to the bracing members (3a) and (3b), and overlaps the outer surface of the vertical column member (2). The fitting portions (4b) and (4b) of the brace material (3a) and (3b) are coupled to the upper and lower ends of the brace at an angle that matches the inclination of the brace material (3a) and (3b), and the attachment portion (4a) Both side vertical column members (2), (2) are provided with a bolt hole (9) which is a long hole in the vertical direction for level adjustment of the top end of the top end,
One end of the upper and lower bracing members (3a) and (3b) is fitted into the fitting portions (4b) and (4b) of the holder metal fitting (4) and fixed by welding, and the holder metal fitting (4) is attached to the bolt hole ( 9) From the bolt (10) screwed into the screw hole (8), fix it to the vertical column (2),
An assembly structure of a bracing frame used for a steel frame structure in which the other end of the bracing members (3a) and (3b) is welded and fixed to the other vertical column member (2) .
JP2002320181A 2002-11-01 2002-11-01 Assembled structure of bracing frames used for steel frame structures Expired - Lifetime JP3963222B2 (en)

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JP5537065B2 (en) * 2009-04-21 2014-07-02 パナホーム株式会社 Strength frame structure
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JP5422846B2 (en) * 2010-06-01 2014-02-19 株式会社コーヨークリエイト Bracing frame
JP2015166520A (en) * 2014-03-03 2015-09-24 義邦 大倉 fastening structure

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